package com.ruoyi.web.controller.system;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserTypeConstants;
import com.ruoyi.common.exception.CustomException;
import com.ruoyi.mentor.service.impl.MailServiceImpl;
import com.ruoyi.mentor.vo.ImportInstructorVo;
import com.ruoyi.mentor.vo.ImportStudentVo;
import com.ruoyi.system.domain.UpdatePasswordForm;
import org.apache.xmlbeans.UserType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.entity.SysRole;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.ServletUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.framework.web.service.TokenService;
import com.ruoyi.system.service.ISysRoleService;
import com.ruoyi.system.service.ISysUserService;

/**
 * 用户信息
 *
 * @author ruoyi
 */
@RestController
@RequestMapping("/system/user")
public class SysUserController extends BaseController
{
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysRoleService roleService;


    @Autowired
    private TokenService tokenService;

    @Autowired
    private StringRedisTemplate redisTemplate;

    @Autowired
    private MailServiceImpl mailService;

    /**
     * 获取用户列表
     */
    @PreAuthorize("@ss.hasPermi('system:user:list')")
    @GetMapping("/list")
    public TableDataInfo list(SysUser user)
    {
        startPage();
        List<SysUser> list = userService.selectUserList(user);
        return getDataTable(list);
    }

    @Log(title = "用户管理", businessType = BusinessType.EXPORT)
    @PreAuthorize("@ss.hasPermi('system:user:export')")
    @GetMapping("/export")
    public AjaxResult export(SysUser user)
    {
        List<SysUser> list = userService.selectUserList(user);
        ExcelUtil<SysUser> util = new ExcelUtil<SysUser>(SysUser.class);
        return util.exportExcel(list, "用户数据");
    }

    @Log(title = "用户管理", businessType = BusinessType.IMPORT)
    @PreAuthorize("@ss.hasPermi('system:user:import')")
    @PostMapping("/importData")
    public AjaxResult importData(MultipartFile file, boolean updateSupport) throws Exception
    {
        ExcelUtil<SysUser> util = new ExcelUtil<SysUser>(SysUser.class);
        List<SysUser> userList = util.importExcel(file.getInputStream());
        LoginUser loginUser = tokenService.getLoginUser(ServletUtils.getRequest());
        String operName = loginUser.getUsername();
        String message = userService.importUser(userList, updateSupport, operName);
        return AjaxResult.success(message);
    }


    @Log(title = "导入用户数据,1学生，2导师,3普通管理员", businessType = BusinessType.IMPORT)
    @PreAuthorize("@ss.hasPermi('system:user:import')")
    @PostMapping("/importData/{type}")
    public AjaxResult importUserData(MultipartFile file, boolean updateSupport,@PathVariable("type") Integer type)
    {

        String message = "";
        LoginUser loginUser = tokenService.getLoginUser(ServletUtils.getRequest());
        String operName = loginUser.getUsername();
        try {
            if (type== UserTypeConstants.ROLE_STUDENT){
                ExcelUtil<ImportStudentVo> util = new ExcelUtil<ImportStudentVo>(ImportStudentVo.class);
                List<ImportStudentVo> ImportStudentList = util.importExcel(file.getInputStream());
                message = userService.importStudent(ImportStudentList,updateSupport,operName);
            }else if (type==UserTypeConstants.ROLE_INSTRUCTOR){
                ExcelUtil<ImportInstructorVo> util = new ExcelUtil<ImportInstructorVo>(ImportInstructorVo.class);
                List<ImportInstructorVo> ImportInstructorList = util.importExcel(file.getInputStream());
                message = userService.importInstructor(ImportInstructorList,updateSupport,operName);
            }else if (type==UserTypeConstants.ROLE_ADMIN){
                return importData(file,false);
            }
            return AjaxResult.success(message);
        }catch (Exception e){
            throw new CustomException(e.toString());
        }
    }

    /**
     *
     * @param type 1学生 2导师 3普通管理员
     * @return
     */
    @GetMapping("/importTemplate/{type}")
    public AjaxResult importTemplate(@PathVariable("type")Integer type)
    {
        if (type==UserTypeConstants.ROLE_STUDENT){
            ExcelUtil<ImportStudentVo> util = new ExcelUtil<ImportStudentVo>(ImportStudentVo.class);
            return util.importTemplateExcel("学生数据");
        } else if (type==UserTypeConstants.ROLE_INSTRUCTOR) {
            ExcelUtil<ImportInstructorVo> util = new ExcelUtil<ImportInstructorVo>(ImportInstructorVo.class);
            return util.importTemplateExcel("导师数据");
        }else if (type==UserTypeConstants.ROLE_ADMIN){
            ExcelUtil<SysUser> util = new ExcelUtil<SysUser>(SysUser.class);
            return util.importTemplateExcel("普通管理员数据");
        }else {
            throw new CustomException("获取模板数据出错，请联系管理员");
        }

    }

    /**
     * 根据用户编号获取详细信息
     */
    @PreAuthorize("@ss.hasPermi('system:user:query')")
    @GetMapping(value = { "/", "/{userId}" })
    public AjaxResult getInfo(@PathVariable(value = "userId", required = false) Long userId)
    {
        AjaxResult ajax = AjaxResult.success();
        List<SysRole> roles = roleService.selectRoleAll();
        ajax.put("roles", SysUser.isAdmin(userId) ? roles : roles.stream().filter(r -> !r.isAdmin()).collect(Collectors.toList()));
        if (StringUtils.isNotNull(userId))
        {
            ajax.put(AjaxResult.DATA_TAG, userService.selectUserById(userId));
            ajax.put("roleIds", roleService.selectRoleListByUserId(userId));
        }
        return ajax;
    }

    /**
     * 新增用户
     */
    @PreAuthorize("@ss.hasPermi('system:user:add')")
    @Log(title = "用户管理", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody SysUser user)
    {
        if (UserConstants.NOT_UNIQUE.equals(userService.checkUserNameUnique(user.getUserName())))
        {
            return AjaxResult.error("新增用户'" + user.getUserName() + "'失败，登录账号已存在");
        }
        else if (StringUtils.isNotEmpty(user.getPhonenumber())
                && UserConstants.NOT_UNIQUE.equals(userService.checkPhoneUnique(user)))
        {
            return AjaxResult.error("新增用户'" + user.getUserName() + "'失败，手机号码已存在");
        }
        else if (StringUtils.isNotEmpty(user.getEmail())
                && UserConstants.NOT_UNIQUE.equals(userService.checkEmailUnique(user)))
        {
            return AjaxResult.error("新增用户'" + user.getUserName() + "'失败，邮箱账号已存在");
        }
        user.setCreateBy(SecurityUtils.getUsername());
        user.setPassword(SecurityUtils.encryptPassword(user.getPassword()));
        return toAjax(userService.insertUser(user));
    }

    /**
     * 修改用户
     */
    @PreAuthorize("@ss.hasPermi('system:user:edit')")
    @Log(title = "用户管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody SysUser user)
    {
        userService.checkUserAllowed(user);
        if (StringUtils.isNotEmpty(user.getPhonenumber())
                && UserConstants.NOT_UNIQUE.equals(userService.checkPhoneUnique(user)))
        {
            return AjaxResult.error("修改用户'" + user.getUserName() + "'失败，手机号码已存在");
        }
        else if (StringUtils.isNotEmpty(user.getEmail())
                && UserConstants.NOT_UNIQUE.equals(userService.checkEmailUnique(user)))
        {
            return AjaxResult.error("修改用户'" + user.getUserName() + "'失败，邮箱账号已存在");
        }
        user.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(userService.updateUser(user));
    }

    /**
     * 删除用户
     */
    @PreAuthorize("@ss.hasPermi('system:user:remove')")
    @Log(title = "用户管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{userIds}")
    public AjaxResult remove(@PathVariable Long[] userIds)
    {
        return toAjax(userService.deleteUserByIds(userIds));
    }

    /**
     * 重置密码
     */
    @PreAuthorize("@ss.hasPermi('system:user:resetPwd')")
    @Log(title = "用户管理", businessType = BusinessType.UPDATE)
    @PutMapping("/resetPwd")
    public AjaxResult resetPwd(@RequestBody SysUser user)
    {
        userService.checkUserAllowed(user);
        user.setPassword(SecurityUtils.encryptPassword(user.getPassword()));
        user.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(userService.resetPwd(user));
    }

    /**
     * 状态修改
     */
    @PreAuthorize("@ss.hasPermi('system:user:edit')")
    @Log(title = "用户管理", businessType = BusinessType.UPDATE)
    @PutMapping("/changeStatus")
    public AjaxResult changeStatus(@RequestBody SysUser user)
    {
        userService.checkUserAllowed(user);
        user.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(userService.updateUserStatus(user));
    }


    /**
     * 获取需要修改密码的用户信息
     */
    @GetMapping("/getUserByUsername")
    public AjaxResult getUserByUsername(@RequestParam("username") String username)
    {
        SysUser sysUser = userService.selectUserByUserName(username);
        if (sysUser==null){
            return AjaxResult.error("用户不存在");
        }else {
            return AjaxResult.success(sysUser);
        }
    }

    /**
     * 用户忘记密码修改密码
     */
    @Log(title = "用户修改密码", businessType = BusinessType.UPDATE)
    @PutMapping("/updatePassword")
    @Transactional
    public AjaxResult updatePassword(@RequestBody UpdatePasswordForm updatePasswordForm )
    {

        String checkCode = redisTemplate.opsForValue().get(Constants.RESET_PASSWORD_KEY + updatePasswordForm.getEmail());
        if (checkCode==null){
            return AjaxResult.error("验证码已过期，请重新发送");
        }
        if (!StringUtils.equals(checkCode,updatePasswordForm.getCheckCode())){
            return AjaxResult.error("验证码不正确，请重新输入");
        }

        return toAjax(userService.resetUserPwd(updatePasswordForm.getUsername(),SecurityUtils.encryptPassword(updatePasswordForm.getNewPassword())));
    }


    /**
     * 发送验证邮箱
     */
    @Log(title = "发送验证邮箱", businessType = BusinessType.OTHER)
    @PutMapping("/sendResetMail")
    public AjaxResult sendResetMail(@RequestParam("email") String email )
    {
        mailService.sendResetPasswordMail(email);
        return AjaxResult.success();
    }

}
